/Engine/Source/Editor/Sequencer/Public/ISequencerTrackEditor.h
Add keys for the following sections based on an external value if possible
virtual void ProcessKeyOperation ( [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) InKeyTime, const [UE::Sequencer::FKeyOperation](API\Editor\Sequencer\FKeyOperation) & Operation, [ISequencer](API\Editor\Sequencer\ISequencer) & InSequencer )